William Byron fought off fuel worries in the closing laps to win the NASCAR Cup Series race Sunday at Iowa Speedway.

Fuel mileage has been an issue for William Byron in three races this season, costing him a victory at Michigan and a ...

William Byron's 21-race winless drought snapped at Iowa and other key takeaways as the NASCAR regular season winds down.

Keselowski, the 2012 champion, has suffered through his worst statistical season, but has surged to 19th in the standings via a strong summer but still has to win. Now Keselowski is left with just ...

William Byron fought off fuel worries in the closing laps. He went the last 144 laps of the 350-lap race without a stop en ...

Chase Briscoe's summer surge hits career-best 11th top-10 at Iowa Speedway in NASCAR Cup Series, elevating his championship ...

William Byron saved every drop of fuel to win the second NASCAR Cup Series race at Iowa Speedway in an action-packed race.